Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Xu Lei Yang"'
Publikováno v:
Jichu yixue yu linchuang, Vol 40, Iss 4, Pp 451-455 (2020)
Objective To explore the relationship between serine hydroxymethyltransferase (SHMT1) gene methylation and ischemic stroke patients. Methods The quantitative methylation-specific PCR was used to measure the level of SHMT1 promoter methylation in 290
Externí odkaz:
https://doaj.org/article/959bda1819ce453682fb174edd339724
Publikováno v:
Advanced Materials Research. 797:320-325
Ultrasonic vibration cutting can be widely used in lathe, planer, milling machine, grinding machine, thread processing and gear processing, etc. Ultrasonic vibration cutting system is composed mainly of ultrasonic generator, ultrasonic transducer, lu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a20bc228140faa8e0efcb5042a7ef97d
https://doi.org/10.4028/www.scientific.net/amr.797.320
https://doi.org/10.4028/www.scientific.net/amr.797.320
Publikováno v:
Advanced Materials Research. 565:460-465
In this paper, ceramic composite materials for the milling tools have been developed by the hot pressing method. High performance Al2O3/TiCN ceramic composite materials were obtained successfully by adjusting the containing amount of Al2O3 and TiCN a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b21d507b6de67d5c4eee0d43b8b0f9e0
https://doi.org/10.4028/www.scientific.net/amr.565.460
https://doi.org/10.4028/www.scientific.net/amr.565.460
Publikováno v:
Advanced Materials Research. :791-795
It is necessary to develop drill point grinders in order to improve drilling quality and efficiency. In this paper, a new type of helical drill point grinder is presented. This grinder is mechanically simple, low cost and easy to be used. There are t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::08082536e9491d0addebb8431cc7138b
https://doi.org/10.4028/www.scientific.net/amr.126-128.791
https://doi.org/10.4028/www.scientific.net/amr.126-128.791
Publikováno v:
Advanced Materials Research. :2119-2122
With the raising demand of the manufacturing technology and productivity in recent year, many new type drills, such as helical drills, have been developed. However, three axis simultaneous motions of a cutting tool grinder at same time are needed whe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::44caf909cb2c6975d37bced4c12c8c97
https://doi.org/10.4028/www.scientific.net/amr.97-101.2119
https://doi.org/10.4028/www.scientific.net/amr.97-101.2119
Publikováno v:
Key Engineering Materials. :146-149
The prototype of a new 3-DOF tripod parallel universal wrist was developed. Its structure, characteristics and applications were introduced. The inverse kinematics model was established by the vector and kinematics influence coefficient method. The s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::89754d6494a18956f987e57b598b8cbb
https://doi.org/10.4028/www.scientific.net/kem.407-408.146
https://doi.org/10.4028/www.scientific.net/kem.407-408.146
Publikováno v:
Key Engineering Materials. :205-210
In this paper, a Drill Point Simulation System (DPSS) which is being developed at Northeastern University is presented. By means of DPSS, the geometric models of the helical drill points were shown after inputting their design parameters. Then, the g
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::958380f91907d91f0638d3b733f9b896
https://doi.org/10.4028/www.scientific.net/kem.389-390.205
https://doi.org/10.4028/www.scientific.net/kem.389-390.205
Publikováno v:
Recent Advances in Mechanism Design for Robotics ISBN: 9783319181257
This paper presents the accuracy analysis of a tripod parallel grinder. The manipulator structure was introduced and its inverse geometric problem was studied. The inverse Jacobian matrix of the tripod parallel grinder was obtained upon the different
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f4aada389d9c38db992bcc4708a4b9d7
https://doi.org/10.1007/978-3-319-18126-4_34
https://doi.org/10.1007/978-3-319-18126-4_34
Publikováno v:
2011 International Conference on Internet Computing and Information Services.
The min-max information (MMI) clustering algorithm was proposed in [8] for robust detection and separation of spherical shells. In current paper, we make efforts to revisit the proposed MMI algorithm theoretically and practically. Firstly, we present
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3e2fa908da65e0f41e8b59e5ea5e278c
https://doi.org/10.1109/icicis.2011.38
https://doi.org/10.1109/icicis.2011.38
Publikováno v:
2011 International Conference on Internet Computing & Information Services (ICICIS); 2011, p128-131, 4p